Finding the Third Proportional to 22,543 and 42,266

Step by Step Solution

1. Step 1: Write the proportion equation
   22,543 : 42,266 = 42,266 : x
2. Step 2: Convert to fraction form
   22,543/42,266 = 42,266/x
3. Step 3: Cross multiply
   22,543x = 42,266 × 42,266
4. Step 4: Simplify right side
   22,543x = 1,786,414,756
5. Step 5: Solve for x
   x = 1,786,414,756/22,543
6. Step 6: Final answer
   x = 79,244.77